The distance between p and q

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).